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Cortical and behavioral signatures of response binding during sequential skill learning

Beukema, Patrick (2018) Cortical and behavioral signatures of response binding during sequential skill learning. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Sequence learning plays a central role in motor skill acquisition. One of the algorithms that is essential to the consolidation process is binding, where multiple movements are driven by a single motor command. Here we show that this binding process originates from learning the transitional probabilities between sequential movements. To determine how binding impacted the neural population patterns which control the movements, we generated unbiased encoding networks of the movement representations at multiple levels of the motor hierarchy. The representational geometries associated with individual movements and movement sets were readily dissociable. In addition, the set network comprised a subset of the individual movement network. However, extensive training by human participants on a sequence learning task did not result in any shift of the representational geometries. This suggests that the representations associated with expert performance are rapidly constructed and highly stable.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Beukema, Patrickbeukpat@gmail.complb23000000033128650X
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairVerstynen, T
Committee MemberChase, S
Committee MemberDiedrichsen, J
Committee MemberKass, R
Committee MemberTurner, R
Committee MemberLuna, B
Date: 26 September 2018
Date Type: Publication
Defense Date: 20 April 2018
Approval Date: 26 September 2018
Submission Date: 18 July 2018
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 92
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Neuroscience
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: decoding, sequence, motor, skill
Date Deposited: 26 Sep 2018 21:55
Last Modified: 26 Sep 2018 21:55


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